I am looking for any information on John Platt married Dianah Plattfrom Pennsyvania. John was born in Maryland (1820) plus his father was born in Maryland.Dianah was born in 1834. John,s People are from Lanshire, England. They arrived to USA in the 1600. There were brothers that came Richard, Gilbert and John. One of these Platt are Johns father but don,t know which one. John is a Coal Miner or was. John Platt had married Dianah Platt and they had James , Samuel, Joshua, Frank and Amanda Platt. They lived in Monongahela, Washinton, PA. John and Dianah is my Great grand Father and great grand Mother. Frank Platt,Sr is my GRANDFATHER which he married Margaret Baker from Washington, Pa. They had Alfred, Guy, Elmer, Ethel, Walter, and Frank, Jr. Walter W Platt is my father which was married to Hazel Burton. I am looking for any information about this set of PLATT.What I know is things started in Washington, Pa.